Write a program to add two distance variable.

#include<iostream.h>
#include<conio.h>
#include<iomanip.h>
#include<math.h>
class dist
{
    private:
    int feet,inches;
    public:
    dist()
    {
       feet=0;
       inches=0;
    }
    dist(int ft,int in)
    {
       feet=ft;
       inches=in;
    }
    void getdist()
    {
        cout<<"\nType Values of feet:";
        cin>>feet;
        cout<<"\nType Values of inches:";
        cin>>inches;
    }
    void showdist()
    {
      cout<<feet<<"'-"<<inches<<"\"";
    }
    void sumdist(dist d1,dist d2);
};

void dist:: sumdist(dist d1,dist d2)
{
   inches=(d1.inches+d2.inches)%12;
   feet=d1.feet+d2.feet+(d1.inches+d2.inches)%2;
}
void main()
{
  clrscr();
  dist d1,d3;
  d1.getdist();
  dist d2(12,9);
  d3.sumdist(d1,d2);
  cout<<"\nd1=";
  d1.showdist();
  cout<<"\nd2=";
  d2.showdist();
  cout<<"\nd3=";
  d3.showdist();
  getch();

}